| SC 13G/A | 2011-01-14 | VAN DEN BERG MANAGEMENT INC/TX | LYDALL INC /DE/ | 1,192,688 | 7.0% | EDGAR |
| SC 13G/A | 2010-11-15 | RUTABAGA CAPITAL MANAGEMENT LLC/MA | LYDALL INC /DE/ | 0 | 0.0% | EDGAR |
| SC 13G | 2010-07-19 | VAN DEN BERG MANAGEMENT INC/TX | LYDALL INC /DE/ | 859,192 | 5.0% | EDGAR |
| SC 13G/A | 2010-03-02 | GRACE & WHITE INC /NY | LYDALL INC /DE/ | 9 | 11.0% | EDGAR |
| SC 13G/A | 2010-02-12 | PRICE T ROWE ASSOCIATES INC /MD/ | LYDALL INC /DE/ | 1,654,700 | 9.8% | EDGAR |
| SC 13G | 2010-02-09 | RUTABAGA CAPITAL MANAGEMENT LLC/MA | LYDALL INC /DE/ | 1,079,877 | 6.4% | EDGAR |
| SC 13G/A | 2010-02-08 | DIMENSIONAL FUND ADVISORS LP | LYDALL INC /DE/ | 1,429,532 | 8.5% | EDGAR |
| SC 13G/A | 2010-02-01 | GRACE & WHITE INC /NY | LYDALL INC /DE/ | 9 | 11.0% | EDGAR |
| SC 13G/A | 2010-01-25 | ROYCE & ASSOCIATES LLC | LYDALL INC /DE/ | 1,178,610 | 7.0% | EDGAR |
| SC 13D/A | 2009-08-14 | Zucker Anita G | LYDALL INC /DE/ | 768,861 | 4.6% | EDGAR |
| SC 13D | 2009-06-12 | Zucker Anita G | LYDALL INC /DE/ | 896,802 | 5.3% | EDGAR |
| SC 13G/A | 2009-02-13 | AXA FINANCIAL INC | LYDALL INC /DE/ | 734,870 | 4.4% | EDGAR |
| SC 13G/A | 2009-02-12 | PRICE T ROWE ASSOCIATES INC /MD/ | LYDALL INC /DE/ | 1,603,400 | 9.6% | EDGAR |
| SC 13G/A | 2009-02-12 | REICH & TANG ASSET MANAGEMENT LP | LYDALL INC /DE/ | 517,000 | 3.1% | EDGAR |
| SC 13G/A | 2009-02-09 | DIMENSIONAL FUND ADVISORS INC | LYDALL INC /DE/ | 1,398,928 | 8.4% | EDGAR |
| SC 13G | 2009-02-05 | BARCLAYS GLOBAL INVESTORS NA /CA/ | LYDALL INC /DE/ | 615,373 | 3.7% | EDGAR |
| SC 13G/A | 2009-02-04 | GRACE & WHITE INC /NY | LYDALL INC /DE/ | 9 | 11.0% | EDGAR |
| SC 13G/A | 2009-01-26 | ROYCE & ASSOCIATES LLC | LYDALL INC /DE/ | 1,060,710 | 6.4% | EDGAR |
| SC 13G/A | 2008-02-14 | REICH & TANG ASSET MANAGEMENT LP | LYDALL INC /DE/ | 1,000,300 | 6.1% | EDGAR |
| SC 13G/A | 2008-02-14 | AXA FINANCIAL INC | LYDALL INC /DE/ | 1,348,712 | 8.2% | EDGAR |